Function prototype or declaration at include/linux/mmc/sdio_func.h, line 109 References: drivers/bluetooth/btmrvl_sdio.c, line 1760 drivers/mmc/core/sdio_bus.c, line 270 drivers/mmc/core/sdio_bus.c, line 276 drivers/mmc/core/sdio_uart.c, line 1159 drivers/net/wireless/ath/ath10k/sdio.c, line 2677 drivers/net/wireless/ath/ath6kl/sdio.c, line 1435 drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c, line 1224 drivers/net/wireless/marvell/mwifiex/sdio.c, line 3146 drivers/net/wireless/microchip/wilc1000/sdio.c, line 1023 drivers/net/wireless/ti/wlcore/sdio.c, line 448 drivers/staging/ks7010/ks7010_sdio.c, line 1141 drivers/staging/wfx/main.c, line 477